CA2170788C - Mixed-cation adsorbent production with single pass ion exchange - Google Patents
Mixed-cation adsorbent production with single pass ion exchange Download PDFInfo
- Publication number
- CA2170788C CA2170788C CA002170788A CA2170788A CA2170788C CA 2170788 C CA2170788 C CA 2170788C CA 002170788 A CA002170788 A CA 002170788A CA 2170788 A CA2170788 A CA 2170788A CA 2170788 C CA2170788 C CA 2170788C
- Authority
- CA
- Canada
- Prior art keywords
- cation
- adsorbent
- zeolite
- exchanged
- ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003463 adsorbent Substances 0.000 title claims abstract description 86
- 238000005342 ion exchange Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 150000001768 cations Chemical class 0.000 claims abstract description 118
- 239000010457 zeolite Substances 0.000 claims abstract description 88
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 79
- 238000000034 method Methods 0.000 claims abstract description 50
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 23
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 105
- 239000012267 brine Substances 0.000 claims description 100
- 150000002500 ions Chemical class 0.000 claims description 62
- 239000011575 calcium Substances 0.000 claims description 37
- 229910052744 lithium Inorganic materials 0.000 claims description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 30
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 29
- 229910052791 calcium Inorganic materials 0.000 claims description 29
- 239000011734 sodium Substances 0.000 claims description 20
- 229910052708 sodium Inorganic materials 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- 238000011067 equilibration Methods 0.000 abstract description 14
- 239000002243 precursor Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 28
- 150000003839 salts Chemical class 0.000 description 24
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 22
- -1 brine cation Chemical class 0.000 description 17
- 238000011084 recovery Methods 0.000 description 11
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 9
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 8
- 229910001628 calcium chloride Inorganic materials 0.000 description 8
- 235000011148 calcium chloride Nutrition 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 239000001110 calcium chloride Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 229910001424 calcium ion Inorganic materials 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- USOPFYZPGZGBEB-UHFFFAOYSA-N calcium lithium Chemical compound [Li].[Ca] USOPFYZPGZGBEB-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001640 fractional crystallisation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 101150013573 INVE gene Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- XCPQSHFJZZSKLG-UHFFFAOYSA-N [Li].[Mg].[Ca] Chemical compound [Li].[Mg].[Ca] XCPQSHFJZZSKLG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229910052675 erionite Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229940006487 lithium cation Drugs 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 101150076562 virB gene Proteins 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/14—Base exchange silicates, e.g. zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39862395A | 1995-03-02 | 1995-03-02 | |
| US08/398,623 | 1995-03-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2170788A1 CA2170788A1 (en) | 1996-09-03 |
| CA2170788C true CA2170788C (en) | 2000-01-11 |
Family
ID=23576104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002170788A Expired - Fee Related CA2170788C (en) | 1995-03-02 | 1996-03-01 | Mixed-cation adsorbent production with single pass ion exchange |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US5958817A (pt) |
| EP (1) | EP0729782B1 (pt) |
| JP (1) | JP3309043B2 (pt) |
| KR (1) | KR100252554B1 (pt) |
| CN (2) | CN1080140C (pt) |
| BR (1) | BR9600871A (pt) |
| CA (1) | CA2170788C (pt) |
| DE (1) | DE69613872T2 (pt) |
| ES (1) | ES2158164T3 (pt) |
| MX (1) | MX9600829A (pt) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2129344B1 (es) * | 1997-01-07 | 2000-03-01 | Univ Barcelona Autonoma | Material remineralizante de tejidos organominerales. |
| DE19731574A1 (de) * | 1997-07-23 | 1999-01-28 | Bayer Ag | Verfahren zur Herstellung eines mit Lithium Ionen und zweiwertigen Ionen ausgetauschten bindemittelhaltigen Zeolithgranulats des Typs A und dessen Verwendung zur adsorptiven Lufttrennung |
| FR2775618B1 (fr) † | 1998-03-03 | 2000-05-05 | Air Liquide | Adsorbant a taux d'echange heterogene et procede psa mettant en oeuvre un tel adsorbant |
| CA2316664A1 (en) * | 1999-08-25 | 2001-02-25 | Vadim Guliants | Novel adsorbents for preferential nitrogen adsorption from other gases |
| US6583081B2 (en) | 2000-02-10 | 2003-06-24 | The Boc Group, Inc. | Method of manufacture of molecular sieves |
| US6407025B1 (en) | 2000-02-10 | 2002-06-18 | The Boc Group, Inc. | Method of manufacture of multicationic molecular sieves |
| JP2002001108A (ja) * | 2000-05-08 | 2002-01-08 | Praxair Technol Inc | ワンパスイオン交換を使用する、混合カチオン吸着材の製造 |
| US6642168B1 (en) * | 2001-04-27 | 2003-11-04 | Uop Llc | Method for metal loading of a multi-bed adsorbent system |
| US7045057B2 (en) * | 2003-04-11 | 2006-05-16 | Calgon Carbon Corporation | Preparation of homogeneously loaded ion exchangers |
| WO2010077392A1 (en) * | 2008-12-17 | 2010-07-08 | Uop Llc | Adsorbent media with li exchanged zeolite |
| CN103721673A (zh) * | 2014-01-06 | 2014-04-16 | 郑州富龙新材料科技有限公司 | 一种制备k-a分子筛的方法 |
| CN106622117B (zh) * | 2017-01-25 | 2019-04-02 | 洛阳建龙微纳新材料股份有限公司 | 一种heu型分子筛的制备方法及其应用 |
| DE102017207817A1 (de) * | 2017-05-09 | 2018-11-15 | Clariant International Ltd | Zeolithhaltiges Adsorbens zur selektiven Abtrennung von Isomeren aus aromatischen Kohlenwasserstoffgemischen, seine Herstellung und Verwendung |
| CN107128945A (zh) * | 2017-06-28 | 2017-09-05 | 新乡学院 | 一种多级孔道沸石分子筛合成装置 |
| CN110152353B (zh) * | 2019-06-18 | 2024-05-28 | 大连博迈科技发展有限公司 | 一种连续色谱装置及三七总皂苷生产方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE239536C (pt) * | ||||
| US3542509A (en) * | 1968-02-27 | 1970-11-24 | Farbenfabrik Veb | Process for charging of ion-exchangers |
| US3925254A (en) * | 1972-12-11 | 1975-12-09 | Sun Ventures Inc | Dehydrocyclization of hydrocarbons |
| DD112774A1 (pt) * | 1973-12-21 | 1975-05-05 | ||
| JPS61101412A (ja) * | 1984-10-25 | 1986-05-20 | Nippon Chem Ind Co Ltd:The | 熱安定性ｋ−ａ型ゼオライト組成物 |
| US4557736A (en) * | 1984-10-29 | 1985-12-10 | Air Products And Chemicals, Inc. | Binary ion exchanged type X zeolite adsorbent |
| DD239536A1 (de) * | 1985-07-26 | 1986-10-01 | Univ Leipzig | Verfahren zur herstellung hochausgetauschter nacamga-zeolithe |
| US4824816A (en) * | 1987-09-21 | 1989-04-25 | Exxon Research & Engineering Company | Method for producing stabilized zeolite catalysts |
| FR2627371B1 (fr) * | 1988-02-18 | 1991-05-24 | Tissot Sa | Abattant pour cuvette de w.c. |
| US5174979A (en) * | 1989-10-06 | 1992-12-29 | Uop | Mixed ion-exchanged zeolites and processes for the use thereof in gas separations |
| US4964889A (en) * | 1989-12-04 | 1990-10-23 | Uop | Selective adsorption on magnesium-containing clinoptilolites |
| US5126056A (en) * | 1991-11-12 | 1992-06-30 | Lcr Inc. | Continuous moving bed ion exchange system |
| US5152813A (en) * | 1991-12-20 | 1992-10-06 | Air Products And Chemicals, Inc. | Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite |
| US5258058A (en) * | 1992-10-05 | 1993-11-02 | Air Products And Chemicals, Inc. | Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite |
-
1996
- 1996-03-01 DE DE69613872T patent/DE69613872T2/de not_active Expired - Fee Related
- 1996-03-01 JP JP06893196A patent/JP3309043B2/ja not_active Expired - Fee Related
- 1996-03-01 BR BR9600871A patent/BR9600871A/pt active Search and Examination
- 1996-03-01 MX MX9600829A patent/MX9600829A/es unknown
- 1996-03-01 CN CN96102714A patent/CN1080140C/zh not_active Expired - Fee Related
- 1996-03-01 EP EP96103203A patent/EP0729782B1/en not_active Expired - Lifetime
- 1996-03-01 CA CA002170788A patent/CA2170788C/en not_active Expired - Fee Related
- 1996-03-01 ES ES96103203T patent/ES2158164T3/es not_active Expired - Lifetime
- 1996-03-02 KR KR1019960005502A patent/KR100252554B1/ko not_active Expired - Fee Related
-
1997
- 1997-04-24 US US08/847,530 patent/US5958817A/en not_active Expired - Lifetime
-
1999
- 1999-06-18 US US09/335,532 patent/US6218327B1/en not_active Expired - Lifetime
-
2001
- 2001-08-20 CN CN01126003A patent/CN1391988A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08239212A (ja) | 1996-09-17 |
| ES2158164T3 (es) | 2001-09-01 |
| EP0729782B1 (en) | 2001-07-18 |
| CA2170788A1 (en) | 1996-09-03 |
| CN1391988A (zh) | 2003-01-22 |
| CN1136980A (zh) | 1996-12-04 |
| US5958817A (en) | 1999-09-28 |
| CN1080140C (zh) | 2002-03-06 |
| EP0729782A3 (en) | 1996-11-27 |
| DE69613872D1 (de) | 2001-08-23 |
| JP3309043B2 (ja) | 2002-07-29 |
| KR960033534A (ko) | 1996-10-22 |
| BR9600871A (pt) | 1997-12-30 |
| US6218327B1 (en) | 2001-04-17 |
| KR100252554B1 (ko) | 2000-04-15 |
| DE69613872T2 (de) | 2002-04-04 |
| MX9600829A (es) | 1998-04-30 |
| EP0729782A2 (en) | 1996-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2170788C (en) | Mixed-cation adsorbent production with single pass ion exchange | |
| US5919287A (en) | Process for the purification of a solution of lithium salts contaminated by metallic cations and use of this process in the production of zeolites exchanged with lithium | |
| US4474896A (en) | Adsorbent compositions | |
| CA2528750C (en) | Boron separation and recovery | |
| MXPA96000829A (en) | Production of adsorbent of mixed cations with exchange of ions of a single p | |
| JPH11290680A (ja) | 不均質交換率を有する吸着剤およびその様な吸着剤を用いるｐｓａ法 | |
| US6583081B2 (en) | Method of manufacture of molecular sieves | |
| KR20030059208A (ko) | 오늄 화합물을 함유하는 용액으로부터 오늄히드록사이드를 재생시키는 방법 | |
| JP2002087813A (ja) | リチウムで交換された凝集ゼオライトｘおよびｌｓｘの製造方法 | |
| US2785998A (en) | Process of decolorizing sugar solutions with a porous quaternary ammonium anion exchanger | |
| EP1153655A2 (en) | Mixed-cation adsorbent production with single pass ion exchange | |
| EP0149018A2 (en) | Process for the preparation of high-level ion-exchanged zeolites | |
| Barros et al. | Chromium uptake from tricomponent solution in zeolite fixed bed | |
| US4894167A (en) | Process for removing heavy metal cations and/or alkali metal cations from aqueous solutions with an ion exchanger material | |
| CN109200627A (zh) | 一种醇胺溶液的净化方法 | |
| US6642168B1 (en) | Method for metal loading of a multi-bed adsorbent system | |
| EP0355966B1 (en) | An improved method of ion exchange and apparatus for carrying out said method | |
| US4206048A (en) | Process for purification of contaminated water | |
| WO2011027213A2 (en) | Apparatus for the treatment of an effluent | |
| US7157005B2 (en) | Regenerant reuse | |
| JP3390148B2 (ja) | 電解用塩水の精製処理方法 | |
| JP2000109453A (ja) | ベタイン及びアミノ酸の回収方法 | |
| RU2055640C1 (ru) | Способ переработки растворов, содержащих соли тяжелых металлов | |
| JP2968026B2 (ja) | 吸着処理方法 | |
| SU1047843A1 (ru) | Способ @ - @ -ионировани воды |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |